whether there is a different mitt romney to really carry the fight. >> warner: susan, what do the romney-ryan team think it has to do with vice president biden to try to keep the momentum going? >> well... arner: and not become target of all these questions out the rn plan. >> you know, a debate where people said that republicans won, that would be great news for the romney team trying to build on this progress that they made since the last debate. because of course as andy knows better than anyone, findings that go your way quickly can go away quickly. it indicates a race in some flux. i think specifically they're going to want to be in a position to defend the attacks they know are coming especially on the issues of medicare and domestic spending because you can tie paul ryan to the paul ryan budget plan that has some things that will be controversial with voters including voters in swing states. >> warner: a quick final thought from you. to what degree to vice presidential debates shift the momentum of any campaign. >> hardly much at all. the famous debate we think about is benson and quai